# rePython - Python RPC server/client library
#
# Copyright (C) 2013 Andrew Dunai, andunai@gmail.com
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

import pickle
import struct
import security

def serializeCall(namespace, method, kargs, kwargs, rsaPool):
	data = pickle.dumps({
		'namespace' : namespace,
		'method' : method,
		'kargs' : kargs,
		'kwargs' : kwargs
	})

	if rsaPool.isActive():
		data = rsaPool.encryptForSend(data)

	return struct.pack('<i', len(data)) + data

def serializeResponse(exceptionValue = None, returnValue = None, myPublicKey = None, rsaPool = None):
	data = pickle.dumps({
		'exceptionValue' : exceptionValue,
		'returnValue' : returnValue,
		'publicKey' : myPublicKey
	})

	if rsaPool.isActive():
		data = rsaPool.encryptForSend(data)

	return struct.pack('<i', len(data)) + data

def unSerialize(rawData, rsaPool):
	if rsaPool.isActive():
		rawData = rsaPool.decryptReceived(rawData)

	data = pickle.loads(rawData)
	return data
